4/3/2025, 5:27:15 PM 星期四
高温磨粒条件下氟橡胶圈摩擦磨损机理研究
CSTR:
作者单位:

中国地质大学(北京),中国地质大学(北京),中国地质大学(北京),中国地质科学院

中图分类号:

TH117.1

基金项目:

国家重点研发计划“深地资源勘查开采”重点专项子课题“小口径高效系列钻具研究”(编号:2018YFC0603404);中国地质调查局地质调查项目“科学深钻实验室建设工程预研究”(编号:DD20160083-4)


Study on Friction and Wear Mechanism of Fluoro Rubber Ring under High Temperature Abrasive Condition
Author:
Affiliation:

China University of Geosciences,Beijing,China University of Geosciences,Beijing,China University of Geosciences,Beijing,Chinese Academy of Geological Sciences

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    摘要:

    井下高温和磨粒是影响密封件密封失效的常见原因,了解高温条件下的弹性体在磨粒环境中的磨损机理对提高井下密封件寿命有着重要意义。对氟橡胶进行不同高温处理后,开展橡胶的摩擦磨损实验研究,分析在磨粒条件下橡胶的磨损情况和摩擦磨损机理。实验结果表明,随着橡胶加热温度的升高,摩擦系数曲线平衡所需的时间逐渐减少。未高温处理的橡胶表面的磨损形式以犁沟为主。100 ℃时橡胶的磨损表面受到高温的影响而发生改变,犁沟减少。200 ℃时氟橡胶圈表面以凹坑为主,并且磨损最严重。304不锈钢表面的磨损随着橡胶的加热温度的改变而变化,磨损面中心区域的磨损形式由犁沟向凹坑转变,而磨损面的内侧由凹坑向犁沟转变。

    Abstract:

    The high temperature and the abrasive environment in the downhole are the common causes of seal failure of rotary seals; therefore, it is of great importance to understand the wear mechanism of elastomers under high temperature conditions in the abrasive environment to improve the life of seals. The friction and wear experiments on rubbers were carried out to analyze the wear and friction mechanism of rubbers under abrasive conditions after treatment of the fluoro rubber ring at different high temperatures. The results show that as the heating temperature of the rubber increases, the time required for the equilibrium of the friction coefficient curve decreases. The worn form of the rubber surface which was not treated at a high temperature was mainly furrow-like. At 100℃, the worn surface of the rubber was affected by the high temperature, and the furrow was reduced. At 200℃, the fluoro rubber ring surface was worn into pits, and with the maximum wear and tear. The wear of the 304 stainless steel surface changed as the heating temperature of the rubber changed: the wear form changed from the furrow to the pit in the center of the wear surface, while it changed from the pit to the furrow in the inner side.

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引用本文

冯颖亮,周琴,秦坤,等.高温磨粒条件下氟橡胶圈摩擦磨损机理研究[J].钻探工程,2018,45(10):190-194.
Feng Ying-liang, Zhou Qin, Qin Kun, et al. Study on Friction and Wear Mechanism of Fluoro Rubber Ring under High Temperature Abrasive Condition[J]. Drilling Engineering, 2018,45(10):190-194.

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  • 收稿日期:2018-07-29
  • 最后修改日期:2018-07-29
  • 录用日期:2018-08-27
  • 在线发布日期: 2018-10-17
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